A few months ago, anyone suggesting that Republicans might be able to retake the Senate – where they currently have 40 seats compared to the Democrats’ 58 plus two Independents who caucus with Barack Obama’s party – would have been liable to be certified insane. But with the shock decision of the Senator Byron Dorgan, Democrat of North Dakota, it’s beginning to go from impossible to long shot. Some 34 seats are up for grabs, 18 Republican and 16 Democratic. The GOP needs to pick up 11 seats to secure a majority. I certainly wouldn’t bet the farm (or even...